Some keyboards use icons, others text. See for example this: https://support.apple.com/library/content/dam/edam/applecare/images/fi_FI/keyboards/british_noteboo

Some keyboards use icons, others text. See for example this: https://support.apple.com/library/content/dam/edam/applecare/images/fi_FI/keyboards/british_notebook.png https://support.apple.com/library/content/dam/edam/applecare....