A tool is a thing that helps a person repair or build something. There are many different types of tools.
The difference between a tool and a machine is that a tool is usually hand-held and is powered by the strength of the person who uses it. A machine can be automated to produce a repetitive motion, and machines are usually powered by fuel or a battery.
Recently, the word "tool" has become a type of metaphor (comparison) used when referring to an organized effort to accomplish something:
Note: I think the use of the word "tool" as a metaphor is a fad that needs to go away. Some people are so quick to use "tool" to describe just about anything, it has outlived its usefulness. Nowadays, most people I know just roll their eyes when they are sitting in a meeting and hear some new innovation or program described as "a tool."
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April 22, 2019