structure; construction

evolution

to evolve

human, person, human being / personality, character / (Buddhism) literally meaning: "human society", referring to one of the six realms of reincarnation in Buddhist cosmology.

(archaic) the world in which people live; the world, society

(dated, rare) a place devoid of people

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

a piece of research, a study, investigation

to research, to study

scholarship; learning; knowledge