Ethos is the characteristic spirit of a culture,era,community,institution etc.,as manifested in its attitudes,aspirations,customs etc.;the character of an individual as represented by his or her values and beliefs;the prevalent tone of a literary work in this respect.
Pathos is a pathetic expression or utterance;a quality of speech,writing,events,persons etc.,which excites pity or sadness;the power of stirring tender or melancholy emotion;physical or mental suffering
logos is The Word of God,the second person of the Trinity;A pervading cosmic idea or spirit of creativity or rationality.