Symbol
A symbol does not have direct connection to what it represents. The meaning usually needs to be learned through association.
A symbol does not have direct connection to what it represents. The meaning usually needs to be learned through association.
Icon
An icon is directly related to what it represents, the meaning is immediately evident and it can be a smaller part that represents a whole.
An icon is directly related to what it represents, the meaning is immediately evident and it can be a smaller part that represents a whole.
Index
An index is a sign that directly points to the message or instruction.
An index is a sign that directly points to the message or instruction.
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