What's a Mediterranean diet? Like what do they eat?

I saw a headline that says it reduced depression, so I want to try it so I can be cheerful all the time and optimistic and productive :)What's a Mediterranean diet? Like what do they eat?
Plenty of fresh fruit and vegetables

Oranges

Lemons

Limes

Tomatoes

Broccoli

Peppers

Onions

Garlic

Plenty of Salad dishes using Olive Oil as a dressing

Fish and Shell fish

Nuts and Seeds

Sun dried tomatoes in olive oil

Goat and Sheep cheese

Red Wine

and very little red meat

and using herbs instead of salt for flavouring dishes

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