5th edition feats

[Poolio10]

Hi, I'm a new DM and I've recently started a campaign with my friends from school. What I'm wondering about are feats. Could someone please explain them?

[Bas van Stein]

Sure, feats are "features" that enhance some abilities of a character.
At certain levels, your class gives you the Ability Score Improvement, using the optional feats rule, you can instead of taking that the extra ability score, take a feat of your choice. You can take each feat only once, unless the feat’s description says otherwise. And you have to meet the prerequisites of that feat.

There are many interesting feats out there, so try and combine