Public review preview. Candidate definitions have not yet been read by the two reviewers. Each entry shows its review status.
learning

Judged: two independent readers; copy check clear.

diffusion

diffusion Diffusion is the spread of information through a social system as people’s actions, such as sharing, commenting, or liking, influence how widely and quickly attention moves.

Diffusion is the spread of information through a social system as people’s actions, such as sharing, commenting, or liking, influence how widely and quickly attention moves. In social media settings, diffusion can be strengthened by repeated sharing and weakened when attention is diverted or split across competing posts.