There are different commands to perform data and code analysis and extract information like pointers, string references, basic blocks, extract opcode information, jump information, xrefs, etc..
Those operations are handled by the root 'a'nalyze command:
Usage: a[ocdg] [depth]
ao [nops] analyze N opcodes
ab [num] analyze N code blocks
af [name] analyze function
ac [num] disasm and analyze N code blocks
ad [num] analyze N data blocks
ag [depth] graph analyzed code
as [name] analyze spcc structure (uses dir.spcc)
at [args] analyze opcode traces
av [nops] analyze virtual machine (negative resets before)
ax analyze xrefs