What's the difference between overstrike and overtype?

Overstrike

---

Definition:

• (v. t.) To strike beyond.

Example Sentences:

Overtype

---

Definition:

Example Sentences:

• (1) The DFS report said the directive read: "Ensure that if the field 52 of the payment is blank or displayes [sic] any Swift code that it is overtyped at the repair stage to a '.'