Blu-ray or Blu-ray Disc (BD) is a digital optical disc data storage format. It was designed to supersede the DVD format, in that it is capable of storing hours of video in high-definition (720p and 1080p) and ultra high-definition resolution (2160p).
UNDERSTANDING BARRIERS TO LEARNING. A complex and dynamic relationship exists between the learner, the centre of learning, the broader education system and the social, political and economic context in which they are all part. complex and dynamic relationship exists between the learner, the centre of learning, the broader education system and the social, political and economic context in which they are all part.
As an educator, you can help to remove organizational or systemic barriers in a number of ways: 1  Identify and clearly express essential course content and provide flexibility so that students can express their understanding of essential course content in multiple ways.xamples of technology barriers include: 1  Electronic documents without accessibility features, such as alternative text (Alt Text), which screen readers read to describe an image. 2  Handouts or course material that is available only in hard copies.