Many screenshots can be useful about quests. Indeed, even the simplest information can be useful like the quest tracker (that is usually displayed on the right of your screen).
Thus you can post screenshots where we can see the quest tracker, the quest in the Tome of Knowledge, quest item (in inventory for example), the text that is meant to be displayed when you complete the quest, where to find an NPC/GO/item, the NPC that appeared when using an item or a gameobject, etc.
Example:
Spoiler: