Drawing just one card is the easiest and probably the most common method of reading. Without a storyline like when interpreting a spread, there are no cards to compare and contrast. Simply interpret the card as the answer to the question.
Alternatively, this method may be used repeatedly in succession to allow the cards to tell a story.
This is a sign of disconnection with the spiritual source. Discontentment with oneself leads to friction in relationships. There may be opposition from friends or associates, quarrelling, strife, and failure of projects, but you would be well served to look within as to the source of this.