Which point of view (POV) will you use in your writing? There are many, the most common being first-person point of view (POV) which uses ‘I’ or ‘we’.
Second-person POV uses ‘you’, third-person ‘her’, ‘she’, ‘it’, or ‘they’.
Multiple POVs including, alternating POV.
Once you have decided on a POV, be consistent with your choice, or you will confuse the reader.