"But what if you're given a link to say an individual ticket? Do the sheets build up from that ticket as a starting point, rather than the project page, or do they reflect the hierarchy of the site? If it's the later, does that not mean that loading a deep page in the site is burdened by having to also load its parent pages?"
We'll write this up in more detail later, but the basic answer is: Every link has a default stack and that default stack is just the project page and that item's page. So if I emailed you a to-do item URL, the stack you would see would be two pages - the project the to-do is in, and the to-do itself.
We put loads of time into thinking about all these scenarios. It's all very natural when you use it.
"But what if you're given a link to say an individual ticket? Do the sheets build up from that ticket as a starting point, rather than the project page, or do they reflect the hierarchy of the site? If it's the later, does that not mean that loading a deep page in the site is burdened by having to also load its parent pages?"
We'll write this up in more detail later, but the basic answer is: Every link has a default stack and that default stack is just the project page and that item's page. So if I emailed you a to-do item URL, the stack you would see would be two pages - the project the to-do is in, and the to-do itself.
We put loads of time into thinking about all these scenarios. It's all very natural when you use it.