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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
letter of instruction
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "letter of instruction" is correct and usable in written English.
It can be used when referring to a document that provides specific guidance or directives, often in legal, financial, or administrative contexts. Example: "Please send the letter of instruction to the bank to initiate the transfer of funds."
✓ Grammatically correct
News & Media
Science
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
8 human-written examples
In an accompanying "letter of instruction" the Bush lawyers were told that it was essential to check for defects and that there was to be no flexibility on the question of missing postmarks.
News & Media
Jackie Powell, who has been Brady's mental health advocate for the last 15 years, told the programme that she received a letter of instruction and a sealed envelope from Brady via his solicitors.
News & Media
In doing so, April not only flouted its own sustainability standards but went against government regulations and a letter of instruction issued by the Ministry of Environment and Forestry last year asking companies to block existing canals.
News & Media
The dispatcher who took the call did not receive any charges and specifications, as departmental charges are known, but was issued a letter of instruction, a police official said.
News & Media
It's not clear if the letter of instruction that opens the novel — from a Norwegian cardinal-archbishop to the abbot Insulomontanus, appointing him the new bishop of Gardar, "at the Northernmost reach of the world" — constitutes a reward or a punishment.
News & Media
One way to begin to address the problem, he said, is for the parents to write a "letter of instruction" to the children to provide, at the very least, some indication of what they are trying to accomplish and how they would like to see their wishes realized.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
The last item should be a letter of instructions, Mr. Pond said.
News & Media
A loaded revolver and a letter of instructions for the commission of the crime were found in his possession.
News & Media
If a reduction by one-fifth is impossible then a lesser reduction of 15, 10 or even 5 per cent should be sought, the President said in a letter of instructions to Mr. Davis, who read the message to a hushed audience which included the statesmen and Admirals of Great Britain, Japan, France, Italy and the United States.
News & Media
Also prepare a letter of instructions.
News & Media
She read my Mom's notarized letter of instructions, punched up her account information and then told me what I already knew.
News & Media
Expert writing Tips
Best practice
When drafting a "letter of instruction", be precise and clear in your language to avoid ambiguity. Ensure all directives are easily understood by the recipient.
Common error
Avoid using jargon or overly technical terms in your "letter of instruction" unless the recipient is known to be familiar with them. Clarity is paramount.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "letter of instruction" functions as a noun phrase that designates a specific type of document. It is typically used to refer to a written communication containing explicit directives or guidance. As evidenced by Ludwig, this phrase commonly appears in formal contexts.
Frequent in
News & Media
50%
Science
30%
Formal & Business
20%
Less common in
Wiki
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "letter of instruction" is a grammatically sound and usable term referring to a document containing specific guidance or directives. As shown by Ludwig, it frequently appears in the news, science and formal contexts. To ensure clarity, writers should avoid jargon and overly technical language in their "letter of instruction". Alternatives such as "instruction letter" or "directive letter" can be used to convey similar meaning, with slight variations in tone and emphasis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
instruction letter
Reverses the order of the words, maintaining the core meaning with a slightly different emphasis.
directive letter
Substitutes 'instruction' with 'directive', highlighting the authoritative nature of the guidance.
guidance letter
Replaces 'instruction' with 'guidance', softening the tone while keeping the meaning close.
letter of direction
Uses 'direction' instead of 'instruction', focusing on providing a course of action.
formal instructions
Omits 'letter of', emphasizing the instructions themselves rather than the format.
official instructions
Omits 'letter of', emphasizing the official nature of the instructions themselves.
memorandum of instruction
Replaces 'letter' with 'memorandum', suggesting a more internal or official communication.
instruction manual
Uses 'manual' implying a more detailed set of instructions, usually for a specific process.
letter providing instructions
Expands the phrase to explicitly state the letter's purpose of providing instructions.
document of instruction
Replaces 'letter' with 'document', broadening the format to include other written forms.
FAQs
How can I use "letter of instruction" in a sentence?
A "letter of instruction" typically provides specific guidance or directives, as in: "Please send the "letter of instruction" to the bank to initiate the transfer of funds."
What's the difference between "letter of instruction" and "instruction letter"?
While both terms are similar, "letter of instruction" might imply a slightly more formal document. The "instruction letter" is a more direct alternative.
What can I say instead of "letter of instruction"?
Alternatives include "directive letter", "guidance letter", or simply "formal instructions" depending on the context.
When is it appropriate to use a "letter of instruction"?
A "letter of instruction" is appropriate when you need to provide clear and specific directions, especially in legal, financial, or administrative contexts.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested