You take the time to study a object, creature or location that you can see for the duration of study. Depending on the time spent studying you gain knowledge about the subject. This information is at DM discretion and is accurate to your understanding of the world. This study is considered light activity and can be done during long rest.
1 minutes time studying: You understand what the subject is
10 minute time studying: You understand the alchemical and scientific properties of the subject
1 hour time studying: You understand the most appropriate application/s of the subject (how it's used ), or it's derivatives
2 hours time studying: You have a greater understanding how the subject fits in with the world, how it behaving and what importance does it have.