Instrument: a machine of simple construction, a tool. Apparatus, utensil, etc.
Utensils: tools for doing things. Such as note-taking utensils, etc.
Props: a general term for implements used for the rapid and successful completion of work. Tools, appliances, equipment, etc.
Meter: a measuring instrument for determining the size, quantity, condition, etc. of an object. Meter, measuring instrument.
Instrument: a device for accomplishing a precision action test, measurement. Such as observation instruments. Large-scale writing "machinery", small-scale writing "instruments", for distinction.
Another foreign word is "インストルメント", which is the English word Instrument. meter, instrument; tool, means
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