In automotive terms, There are drive pulleys such as the drive pulley mounted to the crankshaft on most engines.
There are driven pulleys such as an alternator, Power Steering, water pump, a/c compressor and all the accessories driven by the drive pulley.
There are idler pulleys and tensioner pulleys.
There are timing belt pulleys.
And for non automotive related terms,
There are block and tackle pulley systems.
There are pulley hoists.
Wire rope pulley blocks.
Cable pulleys.
Rope pulleys.
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