CHARS CHAR+ CLK_TCK
CHARS ( value -- value' )  
ansi .6.1.0898 <CORE>
scale the value by the sizeof a char - the value is then often applied to an address or fed into ALLOT (did you expect that sizeof(p4char) may actually yield 2 bytes?)

reference: p4_chars in ../src/core.c:0826, export CO CHARS