Final answer:
Crowds are not typically based on intimate friendships; they represent larger, more impersonal groups compared to cliques or intimate relationships, which can be close and emotionally connected regardless of gender.
Step-by-step explanation:
Entities that are not based on intimate friendship typically include crowds and broader social networks rather than close-knit groups such as cliques or intimate relationships. Based on 'continuum,' it seems the context here involves the degrees of relationships which can range from intimate, emotionally close ones to more casual, loose associations.
While other sex relationships and boys' relationships can certainly be close and intimate, they are not inherently devoid of intimacy in the ways that crowds are. Especially since intimate relationships often involve pairs or small groups with significant personal attachment, and boys can form intimate friendships or bonds just as any other gender can.
It is also important to note the societal expectations around expressions of closeness or intimacy, particularly in male relationships within a heteronormative context. These dynamics can shape how relationships are perceived and expressed, especially in contrast to female relationships which may exhibit more fluidity in expression without facing as much social disapproval.