step-by-step development

noun phrase
UK /ˌstep baɪ ˈstep dɪˈveləpmənt/
US /ˌstep baɪ ˈstep dɪˈveləpmənt/

Growing or building something slowly, one small part at a time.

The step-by-step development of the new playground took several months.


OTHER MEANINGS

2. A way of making a product by finishing one stage before starting the next.

The team used step-by-step development to design the app.

3. Learning something by practicing small pieces in order.

Her step-by-step development in reading made her a confident student.

4. Slow, careful change that happens in clear stages over time.

The garden's step-by-step development turned a bare lot into a green space.