Icons, simply because they are pictorial, are neither necessarily easy to interpret nor interpreted uniformly. Consequently, consider the following strategies w'hen using icons.
This excerpt reminds me of emoticons and emojis. On different monitors the emoticons and emojis literally convey different expressions to the viewers and readers. On Apple products the emoticon that is expressing what can be conveyed as happiness on android and other brands of products that same emoticon is expressed as what would be sought out as an angry expression. This is important to remember when considering using emoticons and other icons because their intentional use may be misconstrued conveying a very different message.