Used to suggest or state tentatively that something may be the case (often the opposite of something previously implied).
Used in questions when the speaker does not know for sure if the listener will have an answer.
Based on formal (de jure) arguments, which, however, may be misleading.
Based on precise facts, which, however, may be contrary to common misbelief or to a traditional name.
According to the current state of technology.
Having or using the skills or talent required for a certain job or profession.