Related Clues:

• The "U" in UX
• Password keeper
• Peppa Pig or Dora the Explorer
• Reader of a quick-start guide
• Word before "friendly" or "ID"
• Boy? No, the other
• Library patron, e.g
• Type of interface
• App's audience member
• "___, So Confusing" (Charli XCX song)
• The "U" in EULA
• System operator
• App Store patron
• "___, so confusing" (Charli XCX song)
• Program client