Let's break it down:

(Earth/Earther): Represents "Earther" or humanity connected to the Earth.

(Handshake/Collaboration): Symbolizes "humankind's ability to take action" and the collective effort.

(Lightbulb/Idea): Represents "collective designs" or the ideas and plans that humanity comes up with together.

(Rocket/Progress): Signifies "externally" and the impact or progress made outwards, beyond individual thought into acti