Categories represent the names of objects in the CBOT language. Everything in COLOBOT is an object: robots, buildings, raw materials, etc., even yourself.
In a program, categories are always displayed on a \const;red background\norm;. If a category isn't highlighted in red, it is misspelled. Caps and lower cases should be kept as is.
Below are the different categories available :
\t;Buildings :
\button 176; \c;\l;Houston\u object\Huston; \n;Mission Control