What does kodi maram in temple represent?
It represents the concentrated Energy aspect that can create and begin. This is why flag hositing happens here.
Kshetra Pala
https://sreenivasaraos.com/tag/kshetrapala/
https://drive.google.com/file/d/0B2KCzQUKGe9ONzl1N2dYSzg4ek0/view
http://www.srimatham.com/uploads/5/5/4/9/5549439/rational_for_temples.pdf
https://tamil.oneindia.com/astrology/news/dwajasthambam-significance-hinduism-278569.html
http://padapooja.blogspot.com/2013/01/scientific-analysis-of-vigraham.html
http://www.saiaustin.org/BALA%20VIKAS%20LESSONS/A%20Hindu%20Temple%20Lesson.pdf
http://theancientindia.blogspot.com/2014/05/broken-mirror-superstition.html
http://theancientindia.blogspot.com/2012/03/what-is-dristhi-evileye-drishti.html