to introduce the most important or fundamental point in English:

He basically supported the free market system.

The wind was so strong that we were basically going nowhere.

Basically, I agree with your opinion.

Yeah. Guy's basically a genius.

She's basically clumsy so ... I guess she looks up to that sort of thing.

He basically declares anyone who doesn't agree with him a Communist.

Wholesale prices had been basically flat.

Permalinks are basically links to items like posts, comments, etc.

This game is basically designed for use with keyboard and gamepad but configuration can only be done by mouse.

There have been some problems but basically it's a good system.

basically the problem is he picks his nose

She has a conception of people as being basically good.

Do you agree that people are basically the same everywhere in the world? Yes, I agree that people are basically the same everywhere in the world.

"They basically do what they are supposed to."

Basically I like short poems. Among them this poem was my favourite.