Can I change or delete the placeholders in the slides after applying the layout?

Can be modified or deleted, the operation method is as follows:

1. First, open a presentation in the computer, insert a slide, and enter several groups of words on the slide.

2. Click: Find the text box and click the left mouse button to select the object.

3. Multi-selection: After selecting an object, press and hold the shift or Ctrl key, and click other objects with the left mouse button to complete multi-selection.

4. Box selection: Outside the object, hold down the left mouse button, drag the mouse to select the text box completely, and then release the mouse to select it, as shown in the following figure.