Sentence:  If he wanted praise, or sympathy, or the chance to talk over a sensitive subject, he turned to me. A friend told me that she sat down at her computer one day to discover that her husband had changed her <WSD>screensaver</WSD> to read: “Be nice to Lloyd. 
Meaning of the word marked with <WSD> tags:  The background picture of a computer, smartphone, or similar mobile device.