Communication is an activity of conveying information between groups of people using the same language that is usually in the same "circle" of influence. #41 shows two circles intersecting in one point and creating a spark! This spark represent birth of new ideas, through an effective cohesion of different groups.
#39 Is a growing circle- to suggest growth of scope of influence and effectiveness in communication. The numerous speech clouds also tells us that there could be several groups communicating.
Let me know your thoughts on these so I could provide you something truly fit for your company.