First, it's not a Vancouver lockdown (it's a BC thing), nor is it really a lockdown at all. Nobody is legally required to stay at home except for people who are under a specified health order. Here are the restrictions on life that are most commonly noticed:
1. Restaurants are closed except for take-out and delivery.
2. Personal services businesses are closed.
3. Large gatherings of all kinds are banned.
4. Schools are closed.
You can still go to your office if you wish to, so long as social distancing rules can be respected (staying 2m apart). This being said, the vast majority of businesses that can have their employees work remotely are doing so, simply out of a concern for their health and wellbeing. If you have to have employees in your workplace, then there are guidelines for making it as safe as possible.
There is also extensive testing. Anyone with symptoms can be tested promptly.