指示有所表示或有所指（的事物）；符号的特定含义
Something signified or referred to; a particular meaning of a symbol.
画谜用画或符号的形式来代表字词，常在谜语中出现
A representation of words in the form of pictures or symbols, often presented as a puzzle.
对计算机的指令、数据或字以及数据传输所预先确定的且必须遵循的各种符号的次序、结构或位置。次序必须遵循，否则计算机不能理解和解释信息。
The predetermined mandatory order, organization or position of symbols in a computer instruction, data or word, data transmission message, etc. The order is mandatory so that the computer can understand and interpret the information.
有关各符号的意义请见左边附表。
For an explanationof the symbols see the key, inset left.
