Semiology is a study that analyzes the meaning of symbols and signs used in society.

Semiotics is the study of the meaning and use of signs and sign systems.

The Schläfli symbol is a symbol used in multidimensional geometry.

What does this symbol mean?

Reading clefs is difficult.

He is an expert in semiotics, and his theories are very profound.

This text is organized using section signs.

Semiotics is the study of signs and symbols used in society and culture.

What does this at sign mean?

The Schläfli symbol is a part of geometry, used to represent the shape of polyhedra.