On the basis of educational traditions in recent decades in Hungary students have mastered architectural thinking and dialogue by observing their tutor simultaneously explaining and drawing his ideas on tracing paper or a sheet of paper. In this case drawing is not a tool for depicting and conveying the external world but rather inner images; the drawn line is in constant interaction with what the drawer sees within and what is being built in other people while they are drawing. In the architect’s profession the line becomes a self-evident tool for thinking, substituting long descriptions, and turns into abstract drawings representing very concrete spaces and objects. Even the new and very clever tools of architectural design of today have still not been able to completely replace this dynamic relationship between idea and space. Although changes have taken place in the tools used by architects, the significance of a hand-drawn sketch – barely competitive with hyper realistic, three-dimensional virtual worlds – is worth rediscovering, especially in an over digitalised world.