| 201 | Picon | One of the Twelve Colonies |
| 202 | Plane Space | The two-dimensional space reached through a sord which allow faster than light travel. Also known as Fath. |
| 203 | Plate Block |  A block of stamps that includes a plate number on the selvage which identifies the plate used during printing. |
| 204 | Postage Due | A type of stamp that indicates there was not enough postage to deliver the letter. The receiver then pays the additional postage shown. |
| 205 | Postal Stationary | Some form of letter or postcard that has postage payment pre-marked on it and therefore does not require a stamp. |
| 206 | Postmark | A mark indicating from where the letter was sent. Usually used as part of the cancellation. |
| 207 | Power Type | How the track is powered and the locomotives are controlled.
| DC | Direct Current | | DCC | Digital Command and Control |
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| 208 | Precancelled | Precancelled letters are primarily used for bulk mailers in order to reduce processing time. |
| 209 | Prexies | A nickname given to the Presidential defiinitives series issued 1938-1954. |
| 210 | PROCEED | Genetically altered girls as a result of the Blast Fall that have superior strength and skills. |
| 211 | R | MPAA Rating: Restricted (Under 17 Requires Accompanying Parent or Adult Guardian).
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| 212 | Raaja | They vary in size and appear to attack the planet and living things. I appears that they may actually be cleansing the planet. |
| 213 | Red Shield | An organization that was formed in order to combat the Chiropterans. |
| 214 | Ref Board | Reflecting Board - a board used to ride the Trapar Waves in order to glide in the air. |
| 215 | Resemble | This is the generic term used for human body replacement parts. |
| 216 | Romdo | A domed city built to protect the inhabitants from the harsh environment outside. |
| 217 | Ronin | Masterless samurai that usually became mercenaries in order to survive. This refers back to the feudal days of Japan. |
| 218 | RUC | Reestablishment Universe Committee - The company that manages day to day activities within the city like a government. |
| 219 | Sagittaron | One of the Twelve Colonies |
| 220 | saiho | Another term for taiho. This is the rank of a kirin, the second-in-command to the king. |
| 221 | Schiff | A cross between Chevaliers and Chiropterans and made by humans using the blood of Diva. They develop an affliction they call the Thorn which cuases their bodies to crystalize. |
| 222 | Scorpia | One of the Twelve Colonies |
| 223 | Section 9 | Public Security Section 9 is the intelligence department under the Ministry of Home Affairs. |
| 224 | SEED | An organization that monitors the environment and fights Raaja when necessary. |
| 225 | Seinen | Manga or anime tailored specifically for boys - mostly college aged and thus more mature than shonen. |
| 226 | Seiyuu | Seiyuu are Voice Actors. In Japan, anime voice actors are usually very well paid as compared to the average US voice actor. |
| 227 | Self-Defense Force | Japan's new constitution drafted after World War II was aimed to prevent militaristic nationalism that could allow Japan entering another war. Japan could not have a standing army but in 1954, the Self-Defense Forces (SDF) were formed to protect the Japanese nation against invaders. |
| 228 | Selvage | The margin of a pane of stamps. This may include plate numbers and other markings. Individual stamps or blocks may have selvage attached also. |
| 229 | Semi-postal | Postage stamps are sold for more than their postage value in order to raise funds for a charity. |
| 230 | Sempai | This is a term used in to refer to a person with more seniority, usually in school or at work. |
| 231 | sennin | A person can become a sennin and in doing so will not age or die from disease. Rulers become sennin and most advisors are sennin also. Anyone can become one at the request of a ruler. Sennin also have the ability to understand all languages of the Twelve Kingdoms and Hourai. Sennin can only die by a touki weapon, being cut in half or beheading. |
| 232 | sensei | Sensei is the Japanese equivalent for the word "teacher" or instructor. This can pertain to anyone that instructs or teaches and not just in schools. |
| 233 | Sentou | A sento is a Japanese bath house. They are usually a large room with a tall barrier separating the areas for the sexes. |
| 234 | Series | A group of books dealing with the same theme. |
| 235 | Se-tenant | Two or more stamps that are attached but are of different designs. |
| 236 | Shangri'la | A dimension that appears to want the destruction of time and space. |
| 237 | Shields | Shields are used quite frequently for a multitude of reasons. They can be used to protection in space, to place a being or object into a "frozen" state, for protection of small arms fire, etc. |
| 238 | Shinjin | This is the monster that appears withing Closed Space and appears to be the manifestation of Haruhi's subconscious. The more Closed Space is destroyed by a Shinjin, the larger it gets. |
| 239 | Shoujo | Manga or anime tailored specifically for young girls. |
| 240 | Shounen | Manga or anime tailored specifically for young boys. |
| 241 | shouzan | A pilgramige made by citizens of a kingdom when their ruler has died and a new one has not been selected for awhile. |
| 242 | shusei | People that do not belong to a country and travel around the world. |
| 243 | Silky Doll | This is a lingerie store owned by Sylia Stingray which also doubles as the headquarters for the Knight Sabers. |
| 244 | Slipcase | A case that a book can be put into to protect it from the elements. |
| 245 | Soba | Buckwheat noodles. |
| 246 | Softsuits | The Knight Sabers use suits called softsuits to interface with the first generation hardsuits. These suits are skin tight and allow the user to control the hardsuit through them. Each hardsuit has to be calibrated to the specific users softsuit. |
| 247 | Souvenir Sheet | Sheets of stamps that are issued primarily for collecting purposes. These will usually have some form of decorative border and additional information included. |
| 248 | Special | Specials are usually similar to definitives but are issued for special occasions or themes. The Love stamps and the Christmas stamps are examples. |
| 249 | STNJ | This is the Salomon witch management organization's Japanese branch. This branch does not kill witches as most others do. They capture them and keep them in the Factory. |
| 250 | Sufugnoff | This is the system taken by the United Mankind after they attacked the Gosroth. They blamed the Abh for the attack in order to justify taking this system. |