For example, I can add my brother as my companion now, and after our flight, change my companion to my sister and add her as a companion on a ticket. After the flight with my sister, same /same â I can then change my companion and book the next companion ticket.
Architectural drawings are made according to a set of conventions, which include particular views (floor plan, section etc.), sheet sizes, units of measurement and scales, annotation and cross referencing.
Representational and arbitrary graphics are often mixed, such as the use of arrows and labels superimposed on a drawing. Pict-o-graphs (or isotypes), another popular type of graph (especially in magazines and newspapers), overlap characteristics of representational and arbitrary graphics, as shown in Figure 2.7.