Invitation cards are an important part of event planning, as they help to set the tone for the event and provide guests with important information. Invitation cards should be designed to reflect the theme and style of the event, and should include all of the necessary details such as the date, time, and location. Additionally, invitation cards should be sent out in a timely manner to ensure that guests have enough time to make arrangements to attend. By taking the time to create and send out well-designed invitation cards, event planners can ensure that their event is a success.