Hi, a warm welcome to the site. First step is researching holistic development and what that means for an early years practitioner ie. making sure you see the children as a whole individual recognising but not valuing any single aspect above others, monitoring all areas of development and working in close partnership with parents.
https://www.silkysteps.com/forum/showthread.php?t=21314
Consider how your setting's planning and the layout of the inside and outdoor play space enables children to explore, learn and communicate using their whole bodies in different ways and meeting the focus areas of EYFS (if you work in England)
https://www.silkysteps.com/forum/showthread.php?t=20989
This free chapter is good, search for the word holistic
https://www.pearsonschoolsandfecolle...e-material.pdf
and
this level 3 handbook on amazon
Hope this helps start things xx