The first card is the Ten of Wands which represents your current communication level. This arcanum indicates that you have clear and direct communication, you are able to express what you think with extreme precision. Your ability to communicate effectively is a major strength.
The second card is the Six of Pentacles which represents weaknesses in your communication. The weaknesses indicated by this arcanum are the inability to listen to others and the tendency to only seek confirmation of one's own opinions. This can lead to not properly considering the views and opinions of others.
The last card is the Seven of Swords which represents a tip to improve your communication with customers. The advice expressed by this arcanum is to listen more carefully to the opinions of others and evaluate them objectively. Also, you should learn to be more flexible and accept other people's opinions, even if they don't coincide with yours.
In conclusion, to improve your communication with customers you should make an effort to be more flexible and to listen more carefully to the opinions of others. You should also try to objectively evaluate all opinions expressed without prejudice and be ready to accept even opinions different from your own.