1 Ability to interpret technical data, in mathematical or diagram form.

2 Maybe in a diagram form ( nice designed ) and text or 100 % text.

3 They are extremely complex and are most clear when presented in diagram form.

4 The actions and other elements that appear in an activity diagram form one activity.

5 As an example, consider an ac-motor drive, shown in Fig. 1-5B-1 in a block diagram form.

6 You can model linear, nonlinear, discrete, and continuous plant or control systems in block diagram form within the new simulation node.