Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
at upper left corner
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at upper left corner" is not entirely correct in standard written English; it should be "in the upper left corner." You can use it when describing the location of an object or element within a layout, such as in design or technical documentation.
Example: "The logo is positioned in the upper left corner of the webpage."
Science
News & Media
Wiki
Alternative expressions(20)
at the bottom left edge
on the top left corner
at the upper left section
at the bottom left hand corner
in the upper left-hand corner
in the northwest corner
at the bottom left hand
at the southwest corner
in the top left-hand corner
at the bottom left side
at the lower left corner
upper left corner
in the upper left corner
at the upper left corner
on the upper left corner
at the top left position
in the lower left corner
to the bottom left
at the back left corner
top left corner
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
A model that is located at upper left corner in this graph tends to have better MMC and Val_MCC with small standard deviation, and better performance.
Science
Our models for two endpoints are located at upper left corner and on the top of all other models displayed in the graphs (For BR_D_Model, MCC = 0.707, Val_MCC = 0.395, Std_Dev = 0.030; For BR_E_Model, MCC = 0.904, Val_MCC = 0.819, Std_Dev = 0.029) (Table 2 and Figure 3).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Creating a Group Look at the upper left corner of your Facebook home page.
News & Media
The trail begins at the upper left corner of the uppermost parking lot.
News & Media
I'll start at the upper left corner of the page and start writing, in complete thoughts, what I think.
News & Media
His torso inclines in a near-perfect echo of the laurel tree at the upper left corner.
News & Media
The heat pulse is indicated by a red square at the upper left corner of the video.
Science & Research
Instead of starting at the upper left corner and working her way around the puzzle, she jumped immediately to the right side.
News & Media
Starting at the upper left corner of the picture, the cell would proceed to the right-hand side and then jump back to the left-hand side, only one line lower.
Encyclopedias
Remember that sprites are measured at the upper left corner as (0,0) so if we don't want them to go off the screen, we need to take the sprite's height/width into account when setting the range for our random numbers.
BS is located at the upper left corner.
Expert writing Tips
Best practice
When describing a location, be specific whether you mean the actual corner or the general area. If precision is needed, consider providing coordinates or measurements instead.
Common error
While "at the upper left corner" is acceptable, "in the upper left corner" is often preferred for describing something contained within that corner. Use "at" when referring to a specific point or location and "in" when talking about something occupying the space.
Source & Trust
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at upper left corner" functions primarily as a prepositional phrase. It modifies a noun or pronoun, indicating a specific location or position relative to a defined space or object. Ludwig AI shows its common use in technical and descriptive contexts.
Frequent in
Science
35%
News & Media
30%
Wiki
20%
Less common in
Formal & Business
5%
Encyclopedias
5%
Academia
5%
Ludwig's WRAP-UP
The phrase "at upper left corner" serves as a prepositional phrase, typically used to specify a location or point of reference. Ludwig AI identifies its usage as acceptable, although "in the upper left corner" is often preferred. The phrase is common across various contexts, including science, news media, and wikis. To enhance clarity, consider providing specific coordinates or measurements when precision is crucial. While "at the upper left corner" is widely understood, being mindful of context and potential alternatives can improve the effectiveness of your writing. Remember, for something contained within the space, consider "in the upper left corner" for greater precision.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in the top left corner
Replaces "upper" with "top", a more common and slightly less formal synonym.
on the upper left-hand side
Adds "hand side" for more emphasis and detail, making it slightly more descriptive.
in the northwest corner
Uses a cardinal direction to specify the corner, implying a map-like orientation.
at the top left position
Substitutes "corner" with "position", focusing on placement rather than the physical corner.
in the upper port corner
Uses "port" as a nautical term for left, adding a specific, though less common, directional indicator.
on the leftmost upper side
Changes the structure to emphasize the left side being uppermost.
in the northwest quadrant
Refers to a quadrant rather than a corner, implying a division into four equal parts.
at the intersection of top and left
Describes the location as an intersection, focusing on the meeting of two edges.
in the upper left-hand area
Replaces "corner" with "area" making it more general and less precise.
on the left upper extremity
Uses "extremity" to indicate the edge or furthest point on the upper left.
FAQs
Is it more correct to say "at the upper left corner" or "in the upper left corner"?
While both are used, "in the upper left corner" is generally preferred when describing something contained within that space. "At the upper left corner" is acceptable, especially when referring to a precise point or starting location.
What are some alternative ways to say "at upper left corner"?
You can use phrases like "in the "top left corner"", "on the upper left-hand side", or "in the northwest corner", depending on the context.
When should I use "at the upper left corner" versus other directional phrases?
Use "at the upper left corner" when the orientation is clear and the area being described is well-defined. In other cases, being more specific with compass directions or measurements might be clearer.
Is "at upper left corner" formal or informal language?
The phrase is relatively neutral, but using "in the "top left corner"" might be slightly more common in informal settings, while "at the upper left corner" has a more technical feel.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested