⠀⠀⠀⠀⠀⠀⠀⢀⣀⢀⣤⣤⣄⣤⣴⣲⢶⡴⣦⣦⣤⣀⣤⣤⣄⣄⢀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣠⣴⣴
⠀⢀⣀⣤⡶⣶⢿⣻⢯⡿⡽⠾⡽⢞⡳⢏⠿⣹⢳⡛⠾⡽⢳⢯⢟⣾⣻⣽⣻⢷⣟⡿⣶⡴⣶⢦⣄⣤⣤⣀⣀⡀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣀⣀⣠⣤⣤⡶⣾⣻⢯⣟⡾⣧
⣶⡿⣯⠷⡻⣍⢯⡱⢣⢞⡱⢫⡜⣣⠝⣎⠳⣥⢣⡝⣣⢝⡣⢞⡜⢦⡓⢦⣙⠮⣭⣙⢳⡛⡽⣛⠾⡽⢾⡽⢯⣟⡿⣽⣻⣟⡿⣯⣟⣿⣻⣟⡿⣽⢯⡷⡻⢾⣙⠳⣍⠞⣼⣻⢷
⢿⡽⣇⢯⡱⢎⠶⣩⢓⢮⡱⢧⣙⢦⡛⣬⢛⡴⢣⢞⡱⢎⡵⢫⡜⣣⠝⡮⣜⠳⢦⡙⣦⡝⡲⣍⢞⡱⢣⢞⡱⢎⡵⢣⡝⣬⠹⣥⢫⡜⡱⢎⡵⢣⠞⡴⣙⠦⣍⡳⢎⡝⣺⡽⣯
⢸⡿⣇⡜⣣⠟⡼⣃⢟⡤⢻⣄⠻⣄⡻⣄⢟⡸⢇⡜⢧⡛⡼⢣⡜⣣⠟⣤⢛⣿⠤⠛⠀⠻⣧⠸⣜⢣⠟⣜⢣⢟⡸⢇⡼⣠⠟⡤⢆⡴⢻⡜⡰⢇⠿⣸⢃⠿⣠⠻⣜⡸⢻⡿⣧
⢸⣟⡧⣚⢥⡛⡴⣍⠞⣜⢣⢎⡳⢥⠳⡜⢮⡱⢫⡜⣣⠝⣜⡣⢞⣥⠿⠚⠉⠀⠀⠀⠀⠀⠀⠙⢮⣇⢻⣌⠳⣎⠵⣋⠶⣡⠻⣜⢣⢞⡱⢎⡝⣎⠳⣥⢋⠷⣡⠟⡴⣩⢻⣽⣳
⢸⢯⡗⣭⢲⡙⢶⡩⢞⡬⣓⢮⡱⣋⠷⣙⠶⣩⠳⡜⣥⣛⠶⠛⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠳⢎⡷⢬⠳⣍⠞⣥⢛⡬⣓⢮⡱⢫⡜⣜⠳⣌⢏⡞⣥⢛⡼⣡⢻⣷⣻
⢸⣯⠷⣌⢧⡹⢲⡙⣎⠶⣩⢖⡱⣍⠞⣥⢛⣴⡫⠗⠉⠀⠀⠀⠀⣠⣴⣶⣿⣿⣿⣿⣿⣷⣶⣦⣄⡀⠀⠀⠙⠣⣟⢬⡛⡴⣋⠶⣩⠖⣭⠳⡜⢮⡹⡜⢮⡜⢦⣋⠶⣱⢻⣞⣷
⢸⣽⣓⢮⠲⣍⢧⡹⣌⡳⡱⢎⡵⢪⣝⠦⠋⠁⠀⠀⠀⠀⠀⣠⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣶⣄⠀⠀⠀⠙⠾⣱⡍⡞⣥⢛⡴⢫⡜⣣⢳⡙⣦⠹⢦⣙⢮⡱⢻⡾⣽
⢸⡷⣏⢎⡳⢎⠶⡱⢎⡵⣙⢮⡼⠋⠁⠀⠀⠀⠀⠀⠀⠀⣼⡿⣿⣿⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⡀⠀⠀⠀⠈⠑⠻⣔⡫⣜⢣⠞⣥⢣⡝⢦⡛⡵⣊⠶⣩⢻⣽⣳
⢸⡽⣧⢚⡵⣋⢞⡱⣋⡶⠝⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣼⣿⣷⣷⣼⣧⣿⣀⡿⠙⣿⡿⣿⣿⣿⣿⣿⣿⣿⣿⣄⠀⠀⠀⠀⠀⠀⠙⠪⢧⣛⠴⣣⠞⣥⢛⡴⣍⠳⣥⢻⣷⣻
⢸⣟⡧⣋⠶⣩⢎⡵⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣶⣬⣏⡿⡻⣿⣿⣿⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠈⠙⠲⢝⣦⢋⠶⣩⠳⣌⣻⣞⡷
⢸⣯⡗⣭⢚⡵⢯⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣿⣿⣿⣽⣿⣿⣿⣿⣿⣿⣿⣾⣬⣯⣿⣿⣿⣿⣇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⢻⣖⢫⢖⣹⡾⣽
⢸⡷⣏⠶⣩⠞⣥⢋⡞⣳⢲⢤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠘⣿⣿⣾⣿⡿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣾⣏⠾⣻⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣞⠳⣬⢓⢮⣱⡿⣽
⢸⣟⡧⣛⠴⣋⠶⣩⠞⣥⢋⢮⡙⢷⣢⢄⡀⠀⠀⠀⠀⠀⠘⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢿⣷⣏⡌⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡴⣞⢣⢎⡳⣌⢏⠶⣹⣟⡷
⢸⣯⡗⣭⢚⡥⣛⠴⣋⠶⣙⢦⡛⢦⢣⢏⡽⢲⣄⡀⠀⠀⠀⠈⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢿⣷⡟⠀⠀⠀⠀⠀⠀⠀⢀⣤⡞⢯⡱⢎⡳⢎⡵⣚⢬⢳⣹⢾⡽
⢸⡷⣏⠶⣩⠖⣭⢚⡥⣛⡜⢦⡙⢧⣋⠞⣜⢣⢎⡽⢲⣄⡀⠀⠀⠙⠻⣿⣿⣿⣿⣿⣿⣿⣿⣯⣿⣿⣽⣾⡿⠋⠀⠀⠀⠀⠀⢀⣤⢶⡛⢦⡹⢲⡙⢮⡱⣋⠶⣩⢎⡳⢼⡿⣽
⢸⣟⡧⣛⠴⣋⠶⣩⢖⡣⢞⡥⣛⢦⡙⡞⣬⢓⠮⣜⢣⢎⡽⣢⢄⠀⠀⠀⠉⠛⠿⢿⣿⣿⣿⣿⣿⠿⠛⠉⠀⠀⠀⠀⣀⣴⠞⣯⠱⣎⡝⡲⣍⢧⡙⢧⠳⣍⢞⡱⢎⡵⢫⣟⡷
⢸⣯⡗⣭⢚⡥⣛⠴⣫⢜⡣⢞⡱⢎⡵⣙⢦⣋⠗⣎⠳⣎⠶⣡⠯⡝⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⢶⢻⡹⣌⠻⣔⢫⠖⣭⠳⡜⢦⣋⢧⡛⡜⢮⡱⢫⡜⣽⢯⣟
⢸⡷⣏⠶⣩⠖⣭⢚⡵⢪⡕⣫⢜⡣⢞⡱⢎⡼⡹⣌⠗⣎⠳⣥⢛⡜⢦⡛⡵⣄⡀⠀⠀⠀⠀⠀⣀⣤⢶⢻⡹⡜⣎⢧⠳⣜⠳⣬⢣⡛⡴⢫⡜⣣⠞⣦⡙⣎⢧⡙⢧⣚⢼⣟⡾
⢸⡟⣧⠛⣴⠋⣶⢩⡞⢱⡎⣵⢪⡕⢫⡜⢃⡞⢱⡎⣽⡌⡗⡎⢳⡜⢣⡝⢲⣭⢹⣦⡄⣠⣶⢻⢹⡜⡎⣧⢳⢹⡜⢪⢳⣬⠓⡎⣧⢹⡜⢃⡞⣥⠛⣴⢹⡜⣦⠋⣷⠘⣾⣽⢻
⢸⣟⡧⣛⠴⣋⠶⣩⢞⡱⢎⡵⣪⣕⣫⣜⣣⣞⣱⣎⡵⣙⠶⣙⠶⣙⢮⡱⢣⢎⡳⡜⣭⢛⡜⣎⠧⣓⠽⣘⢮⡱⢎⡝⢦⡙⢮⡱⢎⢧⡙⣎⠶⣩⠞⣥⢣⠳⣌⡻⣔⢫⣼⢯⣟
⣸⢯⡗⣭⣚⣥⡿⣶⢯⣟⡿⣽⣳⣯⣟⣾⡽⣞⣿⣾⣽⣻⣟⣿⣻⡽⣞⡷⣟⣮⢷⡽⣦⣏⣼⣌⡳⣍⢞⡱⢎⡵⢫⡜⣣⢝⡣⡝⣎⠶⡹⣌⡳⢥⡛⡴⣋⢷⣡⡷⣮⡷⣯⣟⠾
⢸⡿⣽⣳⢿⡽⠻⠙⠛⠉⠉⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠈⠉⠉⠙⠛⠛⠹⠯⠿⠳⣟⣾⣽⣻⡽⣯⣟⡿⣞⡷⣞⡷⣮⢷⡽⣮⢷⣳⣞⡷⣯⢿⣽⣻⣯⣿⡝⠷⠛⠉⠀⠀
⠹⠟⠃⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠉⠈⠙⠛⠙⠋⠙⠛⠋⠛⠙⠛⠙⠚⠙⠛⠛⠁⠉⠁⠀⠀⠀⠀⠀⠀⠀
"Como você está?", "Como vai você?" and "Tudo bem?" are different ways of asking "How are you?".
"Como você está?" and "Como vai você?" are used to address one person.
"Tudo bem?" is more informal and can be used to address one person or a group of people.