An idea is a thought or concept that comes to our mind. It can be a plan, suggestion, or a new way of thinking about something. Ideas can be creative, innovative, or just a solution to a problem. Full definition
Here's an honest fact about marketing: you have to try so many things without a lot of idea of what will work and what won't. (around.io)
And third, scientists still don't have a very good idea of how effectively the various «carbon - friendly» management strategies actually increase soil carbon. (ecosmagazine.com)
Perhaps not the best of ideas for him to be trying to figure it out in the biggest game of the year. (blackwhitereadallover.com)