You touch an object throughout the spell's casting. If the object is a magic item or some other magical object, you learn its properties and how to use them, whether it requires Attunement, and how many charges it has, if any. You learn whether any ongoing spells are affecting the item and what they are. If the item was created by a spell, you learn that spell's name.
If you instead touch a creature throughout the casting, you learn which ongoing spells, if any, are currently affecting it.
For the duration, you sense the presence of magical effects within 30 feet of yourself. If you sense such effects, you can take the Magic action to see a faint aura around any visible creature or object in the area that bears the magic, and if an effect was created by a spell, you learn the spell's school of magic.
The spell is blocked by 1 foot of stone, dirt, or wood, 1 inch of metal, or a thin sheet of lead.
For the duration, you understand the literal meaning of any language that you hear or see signed. You also understand any written language that you see, but you must be touching the surface on which the words are written. It takes about 1 minute to read one page of text. This spell doesn't decode symbols or secret messages.
Guided by a flash of magical insight, you make one attack with the weapon used in the spell's casting. The attack uses your spellcasting ability for the attack and damage rolls instead of using Strength or Dexterity. If the attack deals damage, it can be Radiant damage or the weapon's normal damage type (your choice).
Whether you deal Radiant damage or the weapon's normal damage type, the attack deals extra Radiant damage when you reach levels 5 (1d6), 11 (2d6), and 17 (3d6).