The picture below illustrates the skill set that an architect needs to have:
The picture below depicts the different flavors of architects:
And below another attempt of illustrating the different flavors:
Where do all these nice architect pictures come from? From the new Architect Journal devoted entirely to the question what the role of an architect exactly is.
Read all about it at: http://msdn2.microsoft.com/en-us/arcjournal/default.aspx