Short answers, pulled from the story.
Scholars parse satipatthana as either presence of mindfulness or foundation of mindfulness. The term sati means to remember or recollect, while upațțhāna appears throughout nikayas but foundation only emerges later in Abhidhamma literature.
Early Buddhist texts associate satipatthana primarily with samatha according to Bhikkhu Sujato's historical analysis. Suttas like MN 44.12 confirm four satipatthanas serve basis for samadhi development alongside jhana training.
Samyutta Nikaya chapter forty-seven contains one hundred four discourses on satipatthana found throughout early Buddhist texts. These discourses appear in parallel versions within Mahayana Sarvastivada Sañyukta Agama and Chinese Tripitaka Madhyama Agama number ninety-eight.
Modern Vipassana movements promote bare awareness claiming serenity meditation is dangerous pre-Buddhist system while true key lies in moment-to-moment awareness rise fall phenomena. This view contradicts early canon suggesting full potential requires formal absorption development beyond stream entry possibilities.
Four foundations include contemplation of body feelings mind and dhammas as integral elements across all early sources. Body section examines anatomical parts from soles of feet up through hair enclosed by skin full of many kinds of impurity to remove sensual desire.