A classic invitation is a letter asking the recipient to attend a holiday party. A block invitation card is typically written in a third-person language and posted like a month before the holiday party date so that the invitees can make the arrangements for attending the party. Online tools like EdrawMax Online lets you create wonderful colorful blocks invitation card diagrams as it provides several icons, background images for cakes, text fonts, and table options. Sending personalized abstract invitation cards allows us a vast variety of sentiments that allow us to express our caring and love to our friends, families, and employees. A colorful invitation card should include the details of the holiday party, the location of the party, RSVP instructions, and any other pertinent information.