Paramahansa Yogananda (born Mukunda Lal Ghosh; January 5, 1893 – March 7, 1952) was an Indian monk, yogi and guru who lived his last 32 years in America.
Guru (/ˈɡuːruː/, UK also /ˈɡʊruː, ˈɡʊər-/; Sanskrit: गुरु, IAST: guru) is a Sanskrit term for a “teacher, guide, expert, or master” of certain knowledge or field.
In agriculture, a field is an area of land, enclosed or otherwise, used for agricultural purposes such as cultivating crops or as a paddock or other enclosure for livestock.
A LAND (local area network denial) attack is a DoS (denial of service) attack that consists of sending a special poison spoofed packet to a computer, causing it to lock up.
A “lock step” is when the moving foot approaches to the standing foot and crosses in front of or behind it, creating a “check” position.
A sex position is a position of the body that people use for sexual intercourse or other sexual activities.

(source: wikipedia)