Tapas

Tapas are small snacks usually served with drinks in bars of Spain. They can be served hot or cold and take various forms - from simple snacks to more complex dishes. Tapas are prepared from a variety of ingredients: vegetables, meat, seafood, eggs, etc. 
Tapas can be eaten while you're sitting at the table or while you're standing at the bar. Most of the times they're combined with alcohol. The most common part of the day to eat tapas is in early evening, which usually involves visiting several bars. Typical tapas consist of a piece of bread. 

Examples of tapas are shown in the picture below. 

I urge you to try them!