The phrase "little inkling" means having a vague or small idea about something. It suggests only having a faint understanding or hint of something. Full definition
The trailer was entirely rendered so there's little inkling of what the game will look like, but Id studio director Tim Willets — co-designer of the original game — said that the new «Quake Champions» iteration will be a high - speed multiplayer - focused game — with unlocked framerates — capitalizing on the already - extant Quake e-sports market. (theguardian.com)
«The problem is that while we can observe the sexual behaviour of animals, we often have little inkling about what motivates it.» (newscientist.com)
For the moment, he says, «all we're getting are little inklings.» (scientificamerican.com)