Page contentsPage contents Purpose The purpose of architecture building is to organise content, visual elements, functionalities, interactions and navigation in a logical manner to support usability and findability. Testing ensures that concepts are validated as they evolve, informs iteration and helps avoid issues at a later [more expensive] stage.Testing methods you can useCard sorting allows you to test and refine the groups and categories you have defined. There are a number of tools available – please contact DG Communication for detailsTree testing applies tasks and scenarios taken from user research and evaluates the information structure, ensuring that structure corresponds to users’ logic