Produce concept sketches.
Produce more concept sketches.
Refine and produce more concept sketches.
Present concept sketches to client for discussion when the architect feels they have a presentable scheme.
Meet with clients to present concept, conversation around the ideas.
Client takes time to consider the concept and provides constructive feed back.
Architect refines the concepts with feedback in mind.
This process of refinement to continue until the best design response is agreed between the parties.