Something that is known or proven to be true.
सत्य
English Usage: It is a fact that the earth orbits the sun.
Hindi Usage: यह सत्य है कि पृथ्वी सूर्य के चारों ओर घूमती है।
A mutual relationship or connection between two or more things.
संबंध
English Usage: There is a strong correlation between exercise and health.
Hindi Usage: व्यायाम और स्वास्थ्य के बीच एक मजबूत संबंध है।