What is "One sheet"? A4 double sided or single sided?

Preferably 8.5" x 11"
Thanks

Single or double sided

Would you like to give suggestion on the layout ! included all the logos and website address. with thanks Design Destine

Single or Double - either

Hi, Can I create it using PowerPoint (for easy editing), will you be sharing it digitally or printing it.
Let me know which software you prefer.
Thank you.

Hi - Powerpoint is fine. I will be printing it, but might use it digitally at some point

Hello Dear,
Please Check my Design
Looking forward to your valuable feedback,
Thank you!