The term INVENTORS' SPARKS is composed of two crossword solutions, IDEAS and 5 letters. The term INVENTORS' SPARKS refers to the creative IDEAS that inventors have which lead to the development of new products or processes. These IDEAS are often referred to as sparks of inspiration, and they are the foundation for many inventions. Inventors' Sparks can be found in a variety of sources, such as brainstorming sessions, conversations with colleagues, or even from dreams. Without these sparks of inspiration, many inventions would never come to fruition.