These things are worth knowing but for all but the simplest layouts, I still use an interactive design tool to generate the layout. I'm not making excuses for

These things are worth knowing but for all but the simplest layouts, I still use an interactive design tool to generate the layout. I'm not making excuses for my ignorance —I use grid daily— it's just easier to visualise and label, well, visually. There are many online grid generators, but I use https://grid.layoutit.com/ https://grid.layoutit.com/