A legal contract is formed when two or more parties agree to certain terms and conditions and intend to be legally bound by them. The contract can be in writing, verbal or implied. However, to ensure that a legal contract is binding and enforceable, certain elements must be present.

Firstly, there must be an offer. An offer is a proposal made by one party to another party to enter into a contract. It must be clear, definite, and communicated to the other party. The offer can be made in writing, verbally or through conduct.

Secondly, there must be an acceptance. Acceptance is the unqualified consent to the terms of the offer. The acceptance must be communicated to the offeror. If the acceptance is conditional, it is not valid. The acceptance must also be made within a reasonable time frame.

Thirdly, there must be consideration. Consideration is something of value given by one party to another party in exchange for something else of value. It can be money, goods, services, or even a promise to do something. Consideration distinguishes a contract from a gift.

Fourthly, there must be intention to create legal relations. Both parties must intend to be legally bound by the terms of the contract. If the parties do not intend to create a legal relationship, the agreement is not binding.

Lastly, the parties must have the legal capacity to enter into a contract. This means that they must be of legal age, sound mind, and not under duress or undue influence. If any of the parties lack capacity, the contract is not valid.

In conclusion, a legal contract is formed when there is an offer, acceptance, consideration, intention to create legal relations, and legal capacity. It is important to ensure that all the elements are present to avoid any potential disputes or challenges to the validity of the contract. If you are unsure about the legal contract, it is advisable to seek legal advice.