Original: The texts on curse tablets are typically addressed to infernal or liminal gods such as Hermes, Charon, Hecate, and Persephone, sometimes via the mediation of a dead person (probably the corpse in whose grave the tablet was deposited).
Simplified: The texts on curse tablets are typically addressed to infernal or liminal gods such as Hermes, Charon, Hecate, and Persephone. Sometimes, a sometimes a dead person (probably the corpse in whose grave the tablet was placed) had to mediate.