In fact, these schemes are posted in order to learn how to knit without breaking the threads with whole webs, but I see it too difficult and I would try to learn to knit beautiful motifs on these schemes.
Round motifs - crochet.
Knitting circuit Round Motive Crochet.
The idea of a square crochet motive.
Diagram of obsolent knitting square crochet.
Round snowflake motif or asterisk crochet.
Diagram of obsolent knitting round hook.
The idea of a handsome round hook.
Knitting circuit Round motive crochet without separation.
Article on the topic: Stencils for wall decor - how to make it yourself