Protective enchantment

Protective Enchantments are spells used to protect an area. The spells that are cast usually last a long time and shield specific places.

Casting Enchantments
In order to protect a place, the caster has to repeat incantations of charms over and over. Popular Enchantments are: Protego Totalum, Salvio Hexia, Repello Inimigotum, etc.

Known Uses

 * Enchantments are put over many places such as Gringotts, Hogwarts, the Burrow, etc.
 * Hermione Granger cast Protego Totalum, Salvio Hexia, Repello Muggletum, Muffliato, Cave Inimicum, and the Disillusionment Charm in 1997 over her tent site (along with Ronald Weasley and Harry Potter)
 * At the start of the Battle of Hogwarts, Filius Flitwick, Molly Weasley, and Horace Slughorn casted Protego Maxima, Fianto Duri, and Repello Inimigotum; only to be Shield Penetration Curse by Tom Riddle shortly after.