🕓 Clock Face Four O’Clock

Nouns

• In mathematics, the quaternions are a number system that extends the complex numbers.
• The tetractys, or tetrad, is a triangular figure consisting of ten points arranged in four rows: one, two, three, and four points in each row, which is the geometrical representation of the fourth triangular number.
• A number, numeral, and glyph
• 4 is a number, numeral, and glyph.
• Similarly, are typically represented by i, j, and k.
• The cardinal number occurring after three and before five, represented in Roman numerals as IV, in Arabic numerals as 4.
• A Roman numeral representing four (4).
• The cardinal number that is the sum of three and one
• A virtual object that is similar in shape to playing cards.
• One of a pack of cards that are used to play card games
• One of usually 52 rectangular pieces of card.
• A group of one or more cards.