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
marked areas
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "marked areas" is correct and usable in written English.
It can be used to refer to specific locations or sections that have been highlighted or designated for attention or action. Example: "Please pay attention to the marked areas on the map where the construction will take place."
✓ Grammatically correct
Science
News & Media
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
60 human-written examples
It was a cluster of makeshift buildings with metal roofs, blue nylon walls, and orange plastic netting that marked areas where patients and doctors were permitted.
News & Media
A Vernier scale was then used to measure the dimensions of the marked areas.
The evolution of DW positions in marked areas A and B is discussed with Figure 3.
Science
The car park did not have clearly marked areas to separate pedestrians and vehicles, and that led to Mrs Donaldson being in the path of the van, the court was told.
News & Media
Cells were washed with fresh media, and images were taken as point 0. The media of interest were added, and wound healing was monitored by taking serial photos of the marked areas.
Science
After each of these rolling increments, the microstructural changes were examined in the FIB marked areas with EBSD scans.
Science
Tissue was scraped from within the pathologically marked areas using a sterile blade and DNA was extracted using the QIAamp DNA micro kit (Qiagen, Crawley, UK).
Science
The improvement manifested itself as fewer marked areas, fewer marks in the areas, fewer used modalities and more proximal marking, i.e., fewer marks in the leg areas.
Under the aseptic condition, three bipedicle skin flaps were created by making parallel incisions along two sides of the marked areas.
Science
Additional areas that have not been designated as MPAs (but might be) are: Bruine Bank, Borkumse Stones, Gas Fountains, Central Oyster Grounds, and a part of the Coastal Zone (marked areas in Fig. 1).
Science
The number of sections used in microdissection was determined by the content of tumour cells in the tumour enriched marked areas therefore ensuring a adequate amount of tumour cells to be microdissected for each sample.
Science
Expert writing Tips
Best practice
When writing about diagrams or figures, use "marked areas" to clearly refer to specific parts that are being discussed. This improves clarity and directs the reader's attention effectively.
Common error
Avoid using "marked areas" without providing sufficient context. Always specify what the areas are marked for or what their significance is to prevent ambiguity and ensure the reader understands their importance.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "marked areas" functions primarily as a noun phrase, where 'marked' acts as an adjective modifying 'areas'. It identifies specific locations or sections that have been highlighted or designated, as demonstrated in Ludwig examples.
Frequent in
Science
76%
News & Media
15%
Wiki
2%
Less common in
Formal & Business
0%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "marked areas" is a grammatically sound and frequently used term, primarily functioning as a noun phrase that directs attention to specific regions or sections. As Ludwig AI confirms, this phrase is correct and usable in written English. Its usage is prevalent in scientific and news contexts, indicating a neutral to formal register. For alternative phrasing, consider options like "designated regions" or "identified zones" to vary your writing. When using "marked areas", ensure you provide sufficient context to avoid ambiguity and clearly convey the significance of the designated regions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
designated regions
Replaces "marked" with "designated", implying a more formal assignment or specification of the area.
identified zones
Uses "identified" instead of "marked", suggesting that the areas have been recognized and distinguished for a particular purpose.
highlighted sections
Substitutes "marked" with "highlighted", indicating that the areas have been visually emphasized.
specified locations
Emphasizes the precise and explicit nature of the designated areas.
demarcated spaces
Implies that the areas have been clearly defined or separated from their surroundings.
outlined areas
Indicates that the areas have been traced or delineated, often visually.
indicated regions
Replaces "marked" with "indicated", suggesting the areas have been pointed out or shown.
labeled zones
Suggests that the areas have been assigned a specific designation or identifier.
defined territories
Emphasizes the clear and established boundaries of the areas.
prescribed sectors
Implies that the areas have been officially or authoritatively designated.
FAQs
How can I use "marked areas" in a sentence?
You can use "marked areas" to refer to specific regions or sections that have been highlighted for a particular reason. For example, "The study focused on the "marked areas" on the map to assess flood risk."
What can I say instead of "marked areas"?
You can use alternatives like "designated regions", "identified zones", or "highlighted sections" depending on the context.
Which is correct, "marked areas" or "marking areas"?
"Marked areas" refers to areas that have already been marked, while "marking areas" describes the act of marking them. The correct choice depends on whether you're referring to the areas themselves or the process of marking.
What's the difference between "marked areas" and "defined territories"?
"Marked areas" generally implies a visual or symbolic indication, while "defined territories" suggests a more formal or legal establishment of boundaries. The nuance depends on the context.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested