Clarification of sync

Hi folks: I just downloaded Owncloud 9.1, and just need a tiny bit of clarification on one aspect.

I have a system that I'm installing this on, and my primary goal , is the auto sync of files from my laptop into the server which has Owncloud.

Do I have to install the entire Owncloud system on the laptop? Or is there just a simple sync program that I install on it to send files automatically?

If so, what is it?

That what the ownCloud Desktop Client is for which you can get at ...