| A | B |
|---|
| Contract that is not formal | Simple Contract |
| Contracts in which the agreement is stated in written or spoken words | Express Contract |
| Rule the bars use of prior written or spoken words to alter a written contract that appears to be complete | Parol Evidence |
| Contract that is fully performed | Executed Contract |
| Written contract that must be in a apecial form to be enforceable | Formal Contract |
| Contract in which intent is shown by conduct and circumstances | Implied Contract |
| Contract that has not been fully preformed | Executory Contract |
| Circumstances under which, to prevent unjust enrichment, parties are bound as in a vaild contract | Quasi Contract |
| Law requiring certain contracts to be in writing and signed by the defendant in order to be enforceable | Statue of Frauds |
