If you want to show you appreciate someone, send him/her flowers. You may want to celebrate her birthday, his graduation, or simply thank them for their help. People tend to like receiving flowers, if given with the right message. Now, you can send flowers buy visiting your local florist or simple purchase them online through an online flower delivery service.
When you have decided on sending the flowers, you then need to determine what type of flowers and how they are going to be arranged. This is usually the expertise of the staff in the florist. They will give you the standard designs available so you can simply choose based on the models available.
Another important thing you need to consider is how the flowers are shipped. If you are sending them locally, it is not a problem, but suppose you want to send flowers to Chile, you will need to consider the shipping costs and handling of the flowers.