Bullet points can take on numerous shapes. They can be a circle, a square, a diamond, an asterisk, an arrow, or a simple black dot. Bullets are the symbols that help to insert certain sentences in a point-wise manner. The bullets in Facebook will help draw attention to specific points in your communication. A bullet point facebook contains a complete sentence. The text should begin with a capital letter. You may or may not use a period at the end of the sentence.