Definitions of articulation:

• noun:   the act of joining things in such a way that motion is possible
• noun:   expressing in coherent verbal form

  Example: "The articulation of my feelings"

• noun:   the aspect of pronunciation that involves bringing articulatory organs together so as to shape the sounds of speech
• noun:   the shape or manner in which things come together and a connection is made
• noun:   (anatomy) the point of connection between two bones or elements of a skeleton (especially if the articulation allows motion)