Theo

• (pre.) theo (when you're citing a reference)

according to

Example:

1. According to him, playing football is a good way to distress.

• (pre.) theo [in agreement with]

as per, in accordance with,

Example:

1. The shipment will arrive prior to December first, as per our agreement.

• (pre.) theo (should followed by an action)

pursuant to

Example:

1. Pursuant to the new regulations recently passed regarding bubble gum-blowing, no bubbles may be blown that exceed 3 inches in diameter.

• (v) (đi) theo

follow
adopt (choose and follow)

Idioms:

1. Just answering off the top of my head (a bit of guess, without referencing to any trusted sources, an estimate)
2. Off the top of my guess, this distribution should follow the Poisson one.