What is the fine-grained topic of the following text: The Flag for Federal District (BR-DF) emoji is a sequence of the 🏴 Waving Black Flag, 󠁢 Tag Latin Small Letter B, 󠁲 Tag Latin Small Letter R, 󠁤 Tag Latin Small Letter D, 󠁦 Tag Latin Small Letter F and 󠁿 Cancel Tag emojis. Only return the topic.
Federal District Flag Emoji Description