The term ‘design line’ can have different meanings depending on the context, but in general, it refers to a set of design elements that are used consistently throughout a project or brand identity. These elements include colours, typography, graphic elements and visual styles.

In product design, on the other hand, a design line can refer to a series of products that share similar design features, such as a line of smartphones or ENGEL industrial machines.

In graphic design, a design line typically means a set of design guidelines or templates that are used to create consistent visual communication materials, such as brochures or presentations.