what is difference between proper and suitable?
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As Cambridge Dictionary says, "proper" means: "real, satisfactory, suitable, or correct". Also, it is said that, "suitable" means: "acceptable or right for someone or something". An finally, "appropriate" means: "suitable or right for a particular situation or occasion".
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Answered March 3, 2020. Ok or okay means “ All Correct”. It can be taken as fine or yes or as a gesture that I received your message and the information you want to deliver is reached . It can indicates that I understood what do you want to say.
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But the permission use of can is not in fact incorrect in standard English. The only difference between the two verbs is that one is more polite than the other. In informal contexts it's perfectly acceptable to use can; in formal situations it would be better to use may.
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Suitable  The control system must be suitable for the kind of activity intended to serve.  A system of control useful at a higher level of management will be different in scope and nature from that in use at the operative level.
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Ok or okay means “ All Correct”. It can be taken as fine or yes or as a gesture that I received your message and the information you want to deliver is reached . It can indicates that I understood what do you want to say.
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“Essential” and “necessary” are words which are used in different circumstances. “Essential” is “something without which we cannot do” and “necessary” is “something which is important but we can do without it.”
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A custom is about habit, something that happens a lot. A convention is about agreement, that it is accepted, formally or informally. Obviously many things are both customary and conventional.
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As adjectives the difference between reasonable and fair is that reasonable is just; fair; agreeable to reason while fair is beautiful, of a pleasing appearance, with a pure and fresh quality.
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As adjectives the difference between ideal and optimal is that ideal is optimal; being the best possibility while optimal is the best, most favourable or desirable, especially under some restriction.
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Okay and OK mean the same thing. Okay and OK are two acceptable spellings of the same word. ... There's no difference between OK and okay. The older term, OK, (possibly) derived from an abbreviation for an intentional misspelling of “all correct.” The terms are both standard English.
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As verbs the difference between right and perfect is that right is to correct while perfect is to make perfect; to improve or hone.
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As adjectives the difference between standard and quality is that standard is falling within an accepted range of size, amount, power, quality, etc while quality is being of good worth, well made, fit for purpose.
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However, the words have very different meanings and there are no cases in English when they should be used interchangeably. Accept is always used as a verb, primarily meaning to agree to take something (like a job or gift). ... Expect is almost always used as a verb, primarily meaning to believe something will happen.
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The difference between MUST and SHOULD: 'Must' and 'should' are both modal verbs. MUST is used when expressing obligation or an unavoidable requirement, whereas SHOULD is more of a recommendation, or simply a desirable goal. Similar to 'have to' – strong obligation.
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There is a difference in BE, if something 'suits' you, it means you look good in it, the colour's right, the shape etc. If it 'fits', it may not suit you, but it's the right size.
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OK often means you are agreeing without really caring one way or the other. "All right", or "alright", are different spellings of the same thing, and not quite so informal. You can also just say "right".
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“Like” is used to exclude certain things when comparing items while “such as” is used to include certain things. Both “such as” and “like” can be used in lieu of the other. They can be interchanged. Whichever one chooses to use, the meaning of the sentence will still be the same.