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→Format of an Assembly Language program
A symbol may be set in one of two ways:
# Using a directive (in the example above, len line), or
# As a label (such as _start or msg in the example above). A label set in this aay way is identified by the trailing colon, and is set to the current memory location in the instruction or data sequence. Labels may be used for loading/storing information, or as the target of branches/jumps.
