A Full Concept has many sets of bonds that are common to all members of the category.
Full Concepts: The full concept is like pseudo concept except that there are typically many bonds linking its members. Some of these bonds may be actually concepts themselves.
Hence, a policemen wears a visor, carries a pistol and a night stick, rides in a police car or motorcycle, wears a uniform, shows a badge, gives tickets, and has a responsibility to protect our lives, liberty and the pursuit of happiness (within the law). We'll be a long time in waiting to get these services from our milkman.
Language itself, of course, will facilitate the development of adult concepts by drawing the child’s attention to the many bonds that identify members of the group.
This is the greater burden of education. But, for the pre school child, it takes someone (a parent) with dedication and a willingness to spend a lot of time to provide the experiences and the conversation it takes build concepts.