def valid_range_word(word):
    """Check if a confirmed range slider is valid.
    """
    try:
        N = len(word)
        if isinstance(word[0], tuple):
            valid_value = word[0][0] < word[0][1]
            if N == 1:
                return valid_value
            valid_min = word[0][0] >= word[1]
            if N == 2:
                return valid_min
            valid_max = word[0][1] <= word[2]
            if N == 3:
                return valid_min and valid_max
            if N == 4:
                slider_range = word[2] - word[1]
                valid_step = slider_range >= word[3]
                return valid_min and valid_max and valid_step and valid_value
        elif isinstance(word[3], tuple):
            valid_value = word[3][0] <= word[3][1]
            valid_min = word[3][0] >= word[0]
            valid_max = word[3][1] <= word[1]
            slider_range = word[1] - word[0]
            valid_step = slider_range > word[2]
            return valid_min and valid_max and valid_step and valid_value
        else:
            return False
    except:
        return False
