Suzaku would most likely suggest things that are largely innocuous and less specific. Pins, for example, are a very common fashion choice in the States now and we think nothing of them unless they're related to some interest we ourselves are familiar with.
As far as what those symbols could be... Numbers - A featureless round pin, brass in color. Flat like a coin and no larger. Fighters - A brass pin of comparable size to the previous, likewise flat but shaped like a shield. Medics - Another brass pin, also flat and of similar size to the others, in the shape of a star.
These things could easily pass for apparel and at the same time would be specific enough for those who understood their meaning. Naturally Suzaku's also influenced by his military background.
Lastly Suzaku would suggest they keep things simple and straightforward. Otherwise they're bound to have communication errors or make things too complicated to work effectively. Three types of pins are pretty reasonable, but adding pass-codes or phrases gets a touch elaborate in his mind.
Buildings could probably use the same system, having such a marker somewhere specific only a Number would actually know to look for on a building. However, he'd mention alternatively that they could use Roman Numerals for categories: I, II, III, so on. In his mind these should correlate to how people are categorized.
As for me I'm all about organization myself so I'd agree with my brat of a character that simpler is always better. If it can be hidden in plain sight, it's best. I mean, if we have a bunch of people with a very specific, unusual symbol on their clothes or bags or whatever, people might notice it.
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As far as what those symbols could be...
Numbers - A featureless round pin, brass in color. Flat like a coin and no larger.
Fighters - A brass pin of comparable size to the previous, likewise flat but shaped like a shield.
Medics - Another brass pin, also flat and of similar size to the others, in the shape of a star.
These things could easily pass for apparel and at the same time would be specific enough for those who understood their meaning. Naturally Suzaku's also influenced by his military background.
Lastly Suzaku would suggest they keep things simple and straightforward. Otherwise they're bound to have communication errors or make things too complicated to work effectively. Three types of pins are pretty reasonable, but adding pass-codes or phrases gets a touch elaborate in his mind.
Buildings could probably use the same system, having such a marker somewhere specific only a Number would actually know to look for on a building. However, he'd mention alternatively that they could use Roman Numerals for categories: I, II, III, so on. In his mind these should correlate to how people are categorized.
As for me I'm all about organization myself so I'd agree with my brat of a character that simpler is always better. If it can be hidden in plain sight, it's best. I mean, if we have a bunch of people with a very specific, unusual symbol on their clothes or bags or whatever, people might notice it.