A child's first 1000 days

For a long time, the childʹs first years were not considered to be crucial to his or her development. Since then, the discourse has changed, and the period between pregnancy and the age of two or three is considered crucial at the social, cognitive and emotional levels of the child's development. So it's important for parents to provide security and stimulation for their little ones. But how do you do this? What are the right gestures to adopt?