Frames are layouts that let you collate objects such as shapes, images, audio, and text. Once you've placed these objects into a Frame, you can move, copy or delete them like a single entity while retaining the ability to edit or modify individual elements.
To insert a Frame, click the Insert Frame icon from the toolbar on the left. Choose a style from the options shown to add a Frame to the Space
Page Frames
Page Frames are specifically made for writing long-form. Much like an actual notebook, they have a fixed size, style, and font size that can't be changed. There are numerous designs based on what you want to use the Frame for. You can use it to write notes, essays, journals, and more.