Here is a link to some general tips for selecting an external monitor to add to your home office: https://www.cnbc.com/2020/03/17/how-to-buy-a-monitor-for-your-laptop-to-work-from-home.html

Yes. This Intel Evo-Certified, Lenovo Yoga 7i 14, model number 82QE000KUS, ships with these ports: 1x USB 3.2 Gen 1 Type A (Always On), 1x HDMI 2.0, 1x microSD card reader, 1x Headphone / microphone combo jack (3.5mm), 2x Thunderbolt 4 (support data transfer, Power Delivery 3.0, and DisplayPort 1.4).

This Intel Evo-Certified, Lenovo Yoga 7i 16, model number 82QG0000US, ships with a 512GB M.2 2242 PCIe 4.0x4 NVMe sold state hard drive installed. The maximum storage capacity that this model configuration can support is: One drive, up to 1TB M.2 2242 SSD. We recommend you consult with your certified technician about your storage upgrade options.

This Lenovo IdeaPad 3 15 laptop, model number 81X800KLUS, ships with an HD (720p) webcam with Privacy Shutter and Dual Array Microphones, built in. Whether the IdeaPad 3 15 is compatible with a specific video conferencing APP will depend on the requirements and compatibility of the specific APP. The Lenovo IdeaPad 3 15 laptop ships with Windows 11 S-Mode, 64-bit Operating System installed. Windows 11 S-Mode provides added security by only allowing APPs available ( and therefore certified by Microsoft) at the Microsoft Store. If you don't need the added security or you need to install APPs not available at the Microsoft Store, you can switch to standard Windows 11 Home 64-bit Operating System, at no additional cost. We recommend you check with the specific video conferencing APPs software publisher's web site, of the specific video conferencing APP you want to use, for their compatibility with Windows 11 S-Mode 64-bit operating system and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration. If you choose to switch out of S-Mode for Windows 11 Home: Here is a link to instructions for switching from Windows 11 S-Mode to Windows 11 Home: https://support.microsoft.com/en-us/help/4456067/windows-10-switch-out-of-s-mode