Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently. Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently.

Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently. Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently.

Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently. Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently.

Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently. Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently.

Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently. Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently.

Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently. Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently.

Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently. Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently.

Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently. Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently.

Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently. Visual communication takes place through pictures, graphs and charts, as well as through signs, signals and symbols. It may be used either independently.