[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] object browser, keyboard shortcuts  object model, documentation  one-file wizards  opening files not belonging to any project  optimistic concurrency  Optimize Code setting  Options dialog registry configuration  organizational methods  organizing projects  outlining and regions      commands      sections  Output window      debugging