follow (verbe)
Sens 1 : to be the logical result of something [source : OAAD]
--------------------------------------------------
Sens 2 : to go in the same direction as something or parallel to something. [source : OAAD]
--------------------------------------------------
Sens 3 : to act in agreement or compliance with; obey. [source : AHD]
--------------------------------------------------
Sens 4 : to be attentive to; pay close heed to. [source : AHD]