Developing ideas is part of the creative process for artists and designers. By exploring and refining ideas effective decisions can be made about the final piece of artwork or design solution.
Development is about creativity and exploring ideas in different ways.
After your initial response to a stimulus it is important that you don't just keep producing analytical drawingDrawing which is carried out to explore and record the detailed visual qualities of a subject.
or market researchGathering of information to find out what consumers like, or will buy. It may also involve researching designs with a similar purpose which are already on the market.. This isn't development.
Development is about selecting ideas, visual elements, compositions and techniques from this initial work and using them in new ways.
It is important that you don't become too attached to your first idea.
Don't worry if the work you produce seems unresolved and isn't perfect. It is an important part of the creative process to try out new things and to make creative decisions based on what works and what doesn't.
And don't worry if you try something that doesn't work. Showing creativity is more important at this stage. Remember you can refine your work and produce a more finished result for the sustained project in your portfolio and your assignment.