• 展開てんかい — development; unfolding; deployment
• 展示てんじ — display; exhibition
• 発展はってん — growth; advancement
• 展望てんぼう — outlook; perspective
• 進展しんてん — progress; advancement
• 展覧てんらん — exhibition
• 展性てんせい — ductility; malleability

展 commonly appears in compounds about progress, layout, and vision—business strategy, artistic displays, or tactical deployment.

Its core sense is “spreading out,” whether across space (exhibits, panoramas) or time (development, advancement).