Constants

these are the different categories of constants zen docid\ m0esy15eexxywmqyqjtsz keyboard docid\ fkn71ygz97yjgt7jsgaor controller docid\ hilogyaa dsulfxivki6q racing wheel docid\ mhdqxp8849eme7fxxrddv trace docid\ dpn2ih8mmfbvrutdyurx4 memory docid\ ptic5mjor42f8tthoava operator types docid\ l899axpx hxgpspv2ozym misc docid\ hrdszu8vrh2txbzdz6rue persistent memory docid\ fo9m72 7rvvzdkgs9uyde flow control docid\ ewtyjws7a qvbaknahckv