Exactly, plus movement in more directions (up & down, didn't see a single car with manual adjustment that allowed this), very useful for us blessed with non-standard body dimensions (ie I am quite tall). It changes default-settings car where I touch roof with my head into one where there is more than 5cm/2" clearance.
Adjustable tightness of part of the seat above your hips which keeps you better in tight/fast curves. Heating for cold starts. Massage for luxury. My BMW has it all apart from massage and its makes longer drives much more pleasant.