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A tool is a handheld item that that aids in accomplishing a task.
a tool for swimming
bordness
financial tool
compoundpendulum
Tool steel.
A learning tool is often considered to be software or online service. So if this is your definition of 'learning tool' the answer is no.
a tool to weigh objects (n)
A shovel...?
a tool that measures the humidity in the air
A kit of tools. Think about it.
A chainsaw.