Who. Be sure to put your name on the invitation, whether it is just you alone or a group. What. Description of party: something that fits the theme, but cleverly sneaks in information at the same time. Set the tone of the party. Tell them a little of what you will be doing, what they should bring, and if the event is formal or informal. If necessary, give advice about specific clothing. For example, if your party includes some social events that might get clothing dirty, include that information. Where. Location of the party is crucial for those with transportation needs. Include address, directions, and even offer rides or suggest bus/subway routes. When. Include the time and date in your invitations. Why. If desired, include additional, personal information about your party. Be specific and give a strong reason, or multiple reasons, why you’re hosting a party.