A garden is where things grow. Where things are cut to make room for development of new plants.
“Gardens … lie between farmland and wilderness … The garden is farmland that delights the senses, designed for delight rather than commodity.” – Bernstein
A digital garden is a metaphor that helps express that writing and creating is a sometimes even messy process. It requires care and attention. It will also give back. Once it is of a certain size, one can just wonder/browse and get inspired.
It will help connecting the dots.
Below is a screenshot I took from my private PKM.