If something is (just) a click away, it is very easy to get on your computer, especially from the Internet.

All the library's reference materials are now just a click away.

Online support groups are just a click away.

Unfortunately, racist literature is a click away, and schools must do everything they can to protect students from it.

Need tips for your visit? Help is only a click away.

Now that public records are available electronically, your own family tree is just a click away.

See also: click noun (COMPUTER OPERATION)