All you need is:
Salt to taste
Fresh Chilli (optional) only if you like it hot..
1 Spoon vegetable oil (optional)
A handful green olives
Cut paprika, avocado, onions in stripes or cubes.
Squeeze the citrus and free the juice from seeds. Pour it on the items which are cut above. Plus the olives salt to taste and mix
Finally Chop basil and mix to it as well.
Hint* If you like it really hot and spicy add sliced fresh chilli to it
* You can pimp it up with boiled eggs too like in the second picture as above.
Salt to taste.