development

noun

• The process of developing; growth, directed change.

  "The development of this story has been slow."

• The process by which a mature multicellular organism or part of an organism is produced by the addition of new cells.

  "The organism has reached a crucial stage in its development."

• Something which has developed.

  "Our news team brings you the latest developments."

• A project consisting of one or more commercial or residential buildings.
• The building of such a project.
• The application of new ideas to practical problems (cf. research).

  "Our development department has produced three new adhesives this year."

• The active placement of the pieces, or the process of achieving it.

  "White's development is good, but black's has been hampered by the pawn on e5."

• The process by in which previous material is transformed and restated.
• The second section of a piece of music in sonata form, in which the original theme is revisited in altered and varying form.
• The expression of a function in the form of a series.