Does a USB LAN do the same job of a USB wireless adapter?

my desktop pc doesnt have an in-built wifi adapter or:my desktop pc doesn't have an in-built wifi adapteror:An USB LAN adapter can convert an USB sock

my desktop pc doesn't have an in-built wifi adapter

or:my desktop pc doesn't have an in-built wifi adapter

or:An USB LAN adapter can convert an USB socket into a J45 ethernet port to connect to your LAN.An USB wireless LAN adapter (Wifi dongle) as it implies adds a Wifi connection so a PC can connect to your LAN through a wireless router.

or:They aren't the same thing but can be used for the same purpose (providing network/internet connectivity).

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