development class

hello guys

i am just about ask very stupid ques.

i am uisng WAS 6.2 and trying to create development class using SE80

at the left side of SE80, i can not find development class on the navigation list

i see app hierarchy, package, program. etc

but no development class

am i missing a component or is this meant to be like this?

all im trying to do is "create simp;e development class"