Only spare time should be logged and must-do-stuff like eat, work, sleep and poo should be left out. So only log the hours you could choose to do whatever you want. Should be around 6 hours each working day and 13 hours on a weekend day.
Project - Programming, building or anything that has a start and an end and probably leave something behind for the future.
Travel - Travel leaving tracks in the memory, not like traveling to work.
Socialize - Hi there! Hey you! Any social event with friends or family where not the activity is more important then having someone around, or when helping someone.
Exercise - Trimming your body to live longer or sex.
Experience - Something that amuses the mind enough to leave a longterm memory, maybe a really good movie or a magnificent game (the first hours of it anyway) or learning from a book.
Amusement - Well any activity that distracts the mind not to get bored, like TV or playing games. Something you probably wouldn't think of again after a week has past but could still be hilarious (or not) for the moment.
Thinking - Probably when none of the above fits like sitting in a chair staring out the window.